Answer:
LCM (24,84) = 168
Explanation:
Find and list multiples of each number until the first common multiple is found. This is the lowest common multiple.
Multiples of 24:
24, 48, 72, 96, 120, 144, 168, 192, 216
Multiples of 84:
84, 168, 252, 336
Therefore,
LCM(24, 84) = 168